Yufen Yu 42c0c719ea tmpfs: make lseek(SEEK_DATA/SEK_HOLE) return ENXIO with a negative offset ...

[ Upstream commit 1a41364693 ]

Other filesystems such as ext4, f2fs and ubifs all return ENXIO when
lseek (SEEK_DATA or SEEK_HOLE) requests a negative offset.

man 2 lseek says

:      EINVAL whence  is  not  valid.   Or: the resulting file offset would be
:             negative, or beyond the end of a seekable device.
:
:      ENXIO  whence is SEEK_DATA or SEEK_HOLE, and the file offset is  beyond
:             the end of the file.

Make tmpfs return ENXIO under these circumstances as well.  After this,
tmpfs also passes xfstests's generic/448.

[akpm@linux-foundation.org: rewrite changelog]
Link: http://lkml.kernel.org/r/1540434176-14349-1-git-send-email-yuyufen@huawei.com
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Hugh Dickins <hughd@google.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2018-12-01 09:46:35 +01:00

..

kasan

kasan: fix shadow_size calculation error in kasan_module_alloc

2018-08-24 13:26:58 +02:00

backing-dev.c

writeback: fix the wrong congested state variable definition

2018-04-08 11:51:56 +02:00

balloon_compaction.c

…

bootmem.c

…

cleancache.c

…

cma_debug.c

…

cma.c

cma: fix calculation of aligned offset

2018-01-31 12:06:09 +01:00

cma.h

…

compaction.c

mm/compaction: pass only pageblock aligned range to pageblock_pfn_to_page

2018-01-17 09:35:26 +01:00

debug-pagealloc.c

mm, hwpoison: fixup "mm: check the return value of lookup_page_ext for all call sites"

2017-11-24 11:26:29 +01:00

debug.c

mm: get rid of vmacache_flush_all() entirely

2018-09-19 22:49:00 +02:00

dmapool.c

…

early_ioremap.c

mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep

2018-02-25 11:03:41 +01:00

fadvise.c

mm/fadvise.c: fix signed overflow UBSAN complaint

2018-09-15 09:40:38 +02:00

failslab.c

…

filemap.c

mm: filemap: avoid unnecessary calls to lock_page when waiting for IO to complete during a read

2018-05-26 08:48:54 +02:00

frame_vector.c

…

frontswap.c

…

gup.c

mm: do not bug_on on incorrect length in __mm_populate()

2018-11-21 09:27:41 +01:00

highmem.c

…

huge_memory.c

mremap: properly flush TLB before releasing the page

2018-11-10 07:41:42 -08:00

hugetlb_cgroup.c

…

hugetlb.c

mm: migration: fix migration of huge PMD shared pages

2018-11-21 09:27:44 +01:00

hwpoison-inject.c

…

init-mm.c

…

internal.h

mm, mprotect: flush TLB if potentially racing with a parallel reclaim leaving stale TLB entries

2017-08-11 09:08:50 -07:00

interval_tree.c

…

Kconfig

mm: don't allow deferred pages with NEED_PER_CPU_KM

2018-05-26 08:48:55 +02:00

Kconfig.debug

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kmemcheck.c

…

kmemleak-test.c

…

kmemleak.c

mm/kmemleak.c: wait for scan completion before disabling free

2018-05-30 07:49:06 +02:00

ksm.c

mm/ksm: fix interaction with THP

2018-05-30 07:49:08 +02:00

list_lru.c

mm/list_lru.c: fix list_lru_count_node() to be race free

2017-07-21 07:44:56 +02:00

maccess.c

…

madvise.c

mm: madvise(MADV_DODUMP): allow hugetlbfs pages

2018-10-10 08:52:11 +02:00

Makefile

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memblock.c

mm: consider memblock reservations for deferred memory initialization sizing

2017-06-14 13:16:26 +02:00

memcontrol.c

mm: memcg: fix use after free in mem_cgroup_iter()

2018-07-25 10:18:16 +02:00

memory_hotplug.c

…

memory-failure.c

hwpoison, memcg: forcibly uncharge LRU pages

2018-01-31 12:06:09 +01:00

memory.c

mm/tlb: Remove tlb_remove_table() non-concurrent condition

2018-09-09 20:04:34 +02:00

mempolicy.c

mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings

2018-11-21 09:27:42 +01:00

mempool.c

mm/mempool: avoid KASAN marking mempool poison checks as use-after-free

2017-08-12 19:29:09 -07:00

memtest.c

…

migrate.c

Sanitize 'move_pages()' permission checks

2017-08-24 17:02:36 -07:00

mincore.c

…

mlock.c

mlock: fix mlock count can not decrease in race condition

2017-06-07 12:06:01 +02:00

mm_init.c

…

mmap.c

mm: do not bug_on on incorrect length in __mm_populate()

2018-11-21 09:27:41 +01:00

mmu_context.c

mm/mmu_context, sched/core: Fix mmu_context.h assumption

2017-12-25 14:22:09 +01:00

mmu_notifier.c

…

mmzone.c

…

mprotect.c

x86/speculation/l1tf: Disallow non privileged high MMIO PROT_NONE mappings

2018-08-15 17:42:10 +02:00

mremap.c

mremap: properly flush TLB before releasing the page

2018-11-10 07:41:42 -08:00

msync.c

…

nobootmem.c

…

nommu.c

…

oom_kill.c

…

page_alloc.c

mm, page_alloc: do not break __GFP_THISNODE by zonelist reset

2018-07-11 16:03:51 +02:00

page_counter.c

…

page_ext.c

mm/page_ext.c: check if page_ext is not prepared

2017-11-24 08:32:25 +01:00

page_idle.c

…

page_io.c

…

page_isolation.c

…

page_owner.c

mm: check the return value of lookup_page_ext for all call sites

2017-11-24 08:32:25 +01:00

page-writeback.c

writeback: safer lock nesting

2018-04-24 09:32:12 +02:00

pagewalk.c

mm/pagewalk.c: report holes in hugetlb ranges

2017-11-24 08:32:25 +01:00

percpu-km.c

…

percpu-vm.c

…

percpu.c

percpu: include linux/sched.h for cond_resched()

2018-05-16 10:06:46 +02:00

pgtable-generic.c

…

process_vm_access.c

…

quicklist.c

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readahead.c

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rmap.c

mm: migration: fix migration of huge PMD shared pages

2018-11-21 09:27:44 +01:00

shmem.c

tmpfs: make lseek(SEEK_DATA/SEK_HOLE) return ENXIO with a negative offset

2018-12-01 09:46:35 +01:00

slab_common.c

slub: do not merge cache if slub_debug contains a never-merge flag

2017-10-21 17:09:05 +02:00

slab.c

mm, slab: reschedule cache_reap() on the same CPU

2018-04-24 09:32:05 +02:00

slab.h

…

slob.c

…

slub.c

slub: make ->cpu_partial unsigned int

2018-10-10 08:52:08 +02:00

sparse-vmemmap.c

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sparse.c

…

swap_cgroup.c

mm, swap_cgroup: reschedule when neeed in swap_cgroup_swapoff()

2017-07-05 14:37:15 +02:00

swap_state.c

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swap.c

…

swapfile.c

x86/speculation/l1tf: Limit swap file size to MAX_PA/2

2018-08-15 17:42:10 +02:00

truncate.c

fs: add i_blocksize()

2017-06-14 13:16:24 +02:00

userfaultfd.c

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util.c

proc read mm's {arg,env}_{start,end} with mmap semaphore taken.

2018-05-26 08:48:55 +02:00

vmacache.c

mm: get rid of vmacache_flush_all() entirely

2018-09-19 22:49:00 +02:00

vmalloc.c

mm: vmalloc: avoid racy handling of debugobjects in vunmap

2018-08-06 16:24:30 +02:00

vmpressure.c

…

vmscan.c

mm: fix the NULL mapping case in __isolate_lru_page()

2018-06-06 16:46:23 +02:00

vmstat.c

mm/vmstat.c: fix outdated vmstat_text

2018-10-20 09:52:34 +02:00

workingset.c

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zbud.c

…

zpool.c

…

zsmalloc.c

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zswap.c

zswap: re-check zswap_is_full() after do zswap_shrink()

2018-09-05 09:18:36 +02:00